# SDR ASAA2023042142974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2023
- Submitted: April 24, 2023
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 33,940 hours, 10,515 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Blade
- Part number: 3400010360
- Condition: Damaged
- Location: #2 Engine Fan
- Part time: 33,940 hours, 10,515 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023042142974

## Discrepancy

PER T/C 78472010 #2 ENG FAN BLADE LUBE #24 FAN BLADE CU- NI-IN COATING MISSING BEYOND LIMITS ON C.C SIDE. GROUNDED - YES. REMOVED AND REPLACED #24 AND #12 FAN BLADE IAW TASKCARD 78472010.

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